Patents for H01Q 21 - Aerial arrays or systems (25,127) |
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06/13/2000 | US6075494 Compact, ultra-wideband, antenna feed architecture comprising a multistage, multilevel network of constant reflection-coefficient components |
06/13/2000 | US6075493 Tapered slot antenna |
06/13/2000 | US6075491 Chip antenna and mobile communication apparatus using same |
06/13/2000 | US6075488 Dual-band stub antenna |
06/13/2000 | US6075486 Antenna device |
06/11/2000 | CA2255516A1 Multiport antenna and method of processing multipath signals received by a multiport antenna |
06/08/2000 | WO2000033419A1 Circular direction finding antenna |
06/08/2000 | DE19855115A1 Mehrlagige Antennenanordnung Multi-layer antenna arrangement |
06/07/2000 | EP1006609A2 Broadband fixed-radius slot antenna arrangement |
06/07/2000 | EP1006608A2 Multi-layered antenna arrangement |
06/07/2000 | EP1006606A1 A holder and a method for transferring signals between apparatus and holder |
06/07/2000 | EP1006605A1 Hand-held apparatus |
06/07/2000 | EP0754355B1 A large phased-array communications satellite |
06/06/2000 | US6072439 Base station antenna for dual polarization |
06/06/2000 | US6072432 Hybrid power tapered/space tapered multi-beam antenna |
06/02/2000 | WO2000031827A1 A feeder horn, intended especially for two-way satellite communication |
06/02/2000 | WO2000031824A1 Improvement of polarization isolation in antennas |
05/31/2000 | EP1005103A1 Array antenna and method for operating the array |
05/31/2000 | EP1004150A2 Method and apparatus for compensation of diffraction divergence of beam of an antenna system |
05/31/2000 | EP0890226B1 Radio station with circularly polarised antennas |
05/31/2000 | CN1254966A Bipolarized antenna for base station |
05/30/2000 | US6069592 Meander antenna device |
05/30/2000 | US6069591 Diversity antenna system |
05/30/2000 | US6069590 System and method for increasing the isolation characteristic of an antenna |
05/30/2000 | US6069589 Low profile dual frequency magnetic radiator for little low earth orbit satellite communication system |
05/30/2000 | US6069586 Antenna operating with two isolated channels |
05/25/2000 | WO2000030214A1 Multiple loop antenna |
05/24/2000 | CN1254449A Multi-frequency antenna |
05/24/2000 | CN1254447A Antenna system, in particular for pointing moving nonsynchronous satellites |
05/24/2000 | CN1254444A A coupler for multi-frequency antenna |
05/23/2000 | US6067058 End-fed spiral antenna, and arrays thereof |
05/23/2000 | US6067055 Polarization diversity antenna array |
05/23/2000 | US6067053 Dual polarized array antenna |
05/23/2000 | US6067051 Apparatus and method of mounting VHF/UHF antenna assembly on satellite dish antenna |
05/23/2000 | US6067048 Radar apparatus |
05/23/2000 | US6067047 Electrically-controllable back-fed antenna and method for using same |
05/18/2000 | WO2000028623A1 Planar antenna with an optimised coupling network |
05/18/2000 | WO2000028620A1 Low cost methods of fabricating true-time-delay continuous transverse stub array antennas |
05/18/2000 | WO2000028350A1 System for measuring and displaying three-dimensional characteristics of electromagnetic waves |
05/18/2000 | WO2000028344A1 Antenna and method for two-dimensional angle-of-arrival determination |
05/17/2000 | EP1000489A1 Methods and apparatus for canceling adjacent channel signals in digital communications systems |
05/17/2000 | EP1000445A1 Antenna network for base station radiocommunication with mobile telephones |
05/16/2000 | US6064351 Chip antenna and a method for adjusting frequency of the same |
05/16/2000 | US6064350 Laminated aperture-faced antenna and multi-layered wiring board comprising the same |
05/16/2000 | US6064348 Method and apparatus for a dual frequency band antenna |
05/16/2000 | US6064336 GPS receiver utilizing a communication link |
05/16/2000 | CA2012048C An arrangement for supplying power to a hollow wave-guide intended for electromagnetic microwaves |
05/11/2000 | WO2000027139A1 Method and point-to-multipoint communication system utilizing optimized communication vectors |
05/11/2000 | WO2000026992A1 Method for producing radio-frequency wave receivers by interconnecting three dimensional integrated circuits |
05/11/2000 | WO2000026991A1 Rotating field antenna with a magnetically coupled quadrature loop |
05/11/2000 | WO2000026856A2 Radio frequency identification system |
05/11/2000 | DE19850895A1 Mikrowellenantenne mit optimiertem Kopplungsnetzwerk Microwave antenna with optimized coupling network |
05/11/2000 | CA2349436A1 Rotating field antenna with a magnetically coupled quadrature loop |
05/10/2000 | EP0999608A1 Multifunctional printed antenna |
05/09/2000 | US6061579 Hand-held mobile phone terminal |
05/09/2000 | US6061562 Wireless communication using an airborne switching node |
05/09/2000 | US6061035 Frequency-scanned end-fire phased-aray antenna |
05/09/2000 | US6061034 Power enhancer for solid state switched ultrawideband pulsers and array transmitters |
05/09/2000 | US6061032 Device in antenna units |
05/09/2000 | US6061031 Method and apparatus for a dual frequency band antenna |
05/09/2000 | US6061026 Monolithic antenna |
05/04/2000 | WO2000025385A1 Broadband antenna incorporating both electric and magnetic dipole radiators |
05/04/2000 | WO1999054960A9 Phased array antenna calibration system and method using array clusters |
05/04/2000 | DE19948039A1 Antennen-Array-Kalibrierung Antenna array calibration |
05/03/2000 | EP0998156A2 Sectorized multi-function cellular radio communication system |
05/03/2000 | EP0997969A2 An external POD with an integrated antenna system that excites aircraft structure, and a related method for its use |
05/03/2000 | EP0997927A2 Microwave applicator with annular waveguide, plasma processing apparatus having the same, and plasma processing method |
05/03/2000 | CN1252175A Microstrip antenna and array antenna |
05/03/2000 | CN1252174A Device in antenna units |
05/02/2000 | US6057807 Dual band antenna means incorporating helical and elongated radiating structures |
05/02/2000 | US6057806 Cross-polarized around-tower cellular antenna systems |
05/02/2000 | US6057804 Parallel fed collinear antenna array |
05/02/2000 | US6057803 Antenna apparatus |
05/02/2000 | US6057802 Trimmed foursquare antenna radiating element |
05/02/2000 | US6057801 Multiple frequency array antenna |
05/02/2000 | US6057799 Interferometric hyperfrequency radiometry system with mechanical scanning |
05/02/2000 | US6056780 Method for the positioning of electromagnetic sensors or transmitters in an array |
05/02/2000 | CA2185863C Antenna device |
04/27/2000 | WO2000024137A1 Antenna array for a radio station which can be operated in a plurality of frequency ranges, and a radio station |
04/27/2000 | WO2000024085A1 Crossed bent dipole antenna |
04/27/2000 | WO2000024084A1 Coaxial cavity antenna |
04/26/2000 | EP0996192A2 Planar array antenna |
04/26/2000 | EP0995128A1 Radar plant and measurement technique for determination of the orientation and the depth of buried objects |
04/26/2000 | EP0750827B1 Sectorized multi-function cellular radio communication system |
04/26/2000 | CN1251691A Communication system, primary radio station, secodary radio station and communication method |
04/26/2000 | CN1251483A Cross-polarization emitting antena and emitting method thereof |
04/25/2000 | US6055021 System and method for obtaining synchronization to a digital frame |
04/25/2000 | US6054966 Antenna operating in two frequency ranges |
04/25/2000 | US6054963 Folded bow-tie antenna |
04/25/2000 | US6052889 Radio frequency antenna and its fabrication |
04/25/2000 | CA2032605C Highly directive radio receiver employing relatively small antennas |
04/25/2000 | CA2030600C Aircraft antenna with coning and banking correction |
04/20/2000 | WO2000022696A1 Compact stripline rotman lens |
04/20/2000 | WO2000022455A1 System for detection of objects in the ground |
04/20/2000 | WO2000022451A2 A dual channel microwave transmit/receive module for an active aperture of a radar system |
04/20/2000 | WO2000022297A1 Method and device for converting radiant energy to electric energy |
04/20/2000 | WO1999052181A3 Multi-beam transmit array with low intermodulation |
04/20/2000 | CA2344400A1 A dual channel microwave transmit/receive module for an active aperture of a radar system |
04/19/2000 | EP0994567A2 Orthogonally polarized transmission antenna and method of transmission |
04/19/2000 | EP0994525A2 Antenna unit |